更换内核：
Centos6
wget http://soft.dubook.cc/kernel/kernel-2.6.32-754.el6.x86_64.rpm
rpm -ivh kernel-2.6.32-754.el6.x86_64.rpm --force
Centos7
wget http://soft.dubook.cc/kernel/kernel-3.10.0-957.el7.x86_64.rpm
rpm -ivh kernel-3.10.0-957.el7.x86_64.rpm --force
锐速安装：
自动安装
bash <(wget --no-check-certificate -qO- http://soft.dubook.cc/appex/Install.sh) install
完全卸载
bash <(wget --no-check-certificate -qO- http://soft.dubook.cc/appex/Install.sh) uninstall